diff --git a/docs/docs/how_to/functions.ipynb b/docs/docs/how_to/functions.ipynb
index 9a37eda942f..6ffec14c30a 100644
--- a/docs/docs/how_to/functions.ipynb
+++ b/docs/docs/how_to/functions.ipynb
@@ -99,8 +99,6 @@
     "\n",
     "prompt = ChatPromptTemplate.from_template(\"what is {a} + {b}\")\n",
     "\n",
-    "chain1 = prompt | model\n",
-    "\n",
     "chain = (\n",
     "    {\n",
     "        \"a\": itemgetter(\"foo\") | RunnableLambda(length_function),\n",